Know what hit your network — before your subscribers call.

Flow-based network diagnostics for WISPs, ISPs, IX peering nodes and data centers. Passive deployment, Grafana-native dashboards, built to scale to Tb/s of traffic.

7years of R&D
100+deployments
800Gb/sanalyzed throughput

» built for

WISPs & ISPs

See what changed, who is affected and where the traffic came from.

See details

Telco, transit & IX

Follow traffic across transit, peering and the IX fabric — and see what moves where.

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Private data centers

Locate unusual behavior inside the environment and the workloads involved.

See details

Monitoring shows there is a problem.
FLOWCUTTER shows what changed.

Challenge

Basic monitoring

FLOWCUTTER

Explains what happened

Alerts — then you dig through graphs yourself

Your own AI explains each incident in plain words

DDoS attack in progress

Shows high traffic

Identifies source, type, and affected segments

Uplink is full, customers complain

Shows the link is saturated

Shows who fills it — top customers, apps and ASes

Customer says the internet is slow

No traffic data

What their connection was doing — fix it with facts

Open port on customer device

Not visible

Automated scan surfaces it before it causes problems

Route changes on your peering

Not visible

Peering matrix — see how traffic shifts between peers and ASes

Built in. Always running.

Deep NetFlow diagnostics

See who talks to whom on your network. SNMP only shows how much.

Automated anomaly detection

Ready-made detection catches DDoS, amplification attacks and scans as they start.

Automated vulnerability scan

Checks your IP ranges for open ports and known CVEs. Runs on its own.

» REAL CASES. REAL NETWORKS.

What network teams solved with FLOWCUTTER.

» SEE IT IN ACTION

What your graphs don’t show.
FLOWCUTTER does — in plain words.

Four real situations from ISP networks — one classic DDoS and three your SNMP never alarms on. Pick one.

» BRING YOUR OWN AI

You don't need to be a security expert.

Your own Claude or ChatGPT explains every incident FLOWCUTTER finds — what happened, who is affected, what to do next.

In FLOWCUTTERExample

Read me first

  • Since02:15:00
  • Targets203.0.113.10 · 203.0.113.24
  • PatternDNS flood · UDP 53 · 3 source ASNs
  • Top sourceAS64500 · 52 %
In your AIExample

Incident summary

  • WhatDDoS · DNS flood, port 53
  • Who is hit2 customer IPs
  • Where to lookAS64500 · 52 % of the attack
  • Next stepRate-limit UDP 53 to the targets at the edge
Claude or ChatGPT · Viewer-only — it can't change anything · You decide what to apply
Optional. FLOWCUTTER works fully without it. The AI provider you choose processes the data your AI reads, including IP addresses.

» PARTNERS & INDUSTRY ASSOCIATIONS

» COMMON QUESTIONS

What network teams ask first.

Will it put load on my network?

No. FLOWCUTTER is passive — it reads flow data your routers already export, or captures via SPAN/TAP with the Probe. Nothing sits in the traffic path.

Do I need to change my network architecture?

No. No inline appliance, no rerouting, no agents on customer devices.

Which devices are supported?

Any device exporting NetFlow, IPFIX or sFlow — MikroTik, Cisco, Juniper, Huawei, Arista, Nokia and others.

On-premise or cloud?

Both. FLOWCUTTER runs in your own infrastructure or as a hosted collector, depending on your data retention rules.

Who deploys it?

Our engineers do it remotely with your team, typically in a single session.

» 30 days. Your infrastructure. Your real traffic.

See FLOWCUTTER in your own network.

Your traffic on screen from day one. Full anomaly detection after 2 weeks of learning your network.

An engineer reviews your request and replies with clear next steps — within one business day.

⁠Know what hit your network — before the next call comes in.